BIG BEAR LAKE, Calif. — The hunt for a former Los Angeles police officer suspected in three killings continued in snow-covered mountains Saturday as the LAPD's chief said he would reopen the disciplinary case that led to the fugitive's firing.

Officials in particular will re-examine the allegations by Christopher Dorner, 33, that his law enforcement career was undone by racist colleagues, Police Chief Charlie Beck said. While he promised to hear out Dorner if he surrenders, Beck stressed that he was ordering a review of his 2007 case because he takes the allegation of racism in his department seriously.

"I do this not to appease a murderer. I do it to reassure the public that their police department is transparent and fair in all the things we do," the chief said in a statement.

Authorities suspect Dorner in a series of attacks in Southern California over the past week that left three people dead, including a police officer. Authorities say he has vowed revenge against several former LAPD colleagues whom he blames for ending his career. The killings and threats that Dorner allegedly made in an online rant have led police to provide protection to 50 families, Beck said.

A captain who was named a target in the manifesto posted on Facebook told the Orange County Register he has not stepped outside his house since he learned of the threat, and he was taking it seriously.

"From what I've seen of (Dorner's) actions, he feels he can make allegations for injustice and justify killing people and that's not reasonable," said Capt. Phil Tingirides, who chaired a board that stripped Dorner of his badge. "The end never justifies the means."

Saturday was the third full day of a massive multi-agency hunt for Dorner in the San Bernardino mountains, about 80 miles northeast of downtown Los Angeles, where Dorner's burned-out pickup truck was discovered Thursday. A scaled-back search party took advantage of a break from stormy weather to search for Dorner using heat-sensing helicopters as vacationing families and weekend skiers frolicked nearby.

A law enforcement officer told the Associated Press authorities found weapons in the truck. The officer spoke on condition of anonymity because the probe is ongoing.

Investigators have been examining the truck to determine if it broke down or was set ablaze as a diversion. Police say the truck had a broken axle. Investigators are trying to determine whether it was already broken when they found it, or whether it was damaged when it was towed away.

On Friday night, authorities served a search warrant and collected evidence from a Buena Park storage unit as part of their investigation. Irvine police Lt. Julia Engen wouldn't elaborate on the nature of the evidence or say who had rented the unit.

Earlier Friday, another warrant was served at a La Palma house belonging to Dorner's mother. Officers collected 10 bags of evidence, including five electronic items.

In his online manifesto, Dorner vowed to use "every bit of small arms training, demolition, ordnance and survival training I've been given" to bring "warfare" to the LAPD and its families.

Dorner served in the Navy, earning a rifle marksman ribbon and a pistol expert medal. He was assigned to a naval undersea warfare unit and various aviation training units, according to military records. He took leave from the LAPD for a six-month deployment to Bahrain in 2006 and 2007.

Last Friday was his last day with the Navy and also the day CNN's Anderson Cooper received a package that contained a note on it that read, in part, "I never lied." A coin riddled with bullet holes that former Chief William Bratton gave out as a souvenir was also in the package.

Police said it was a sign of planning by Dorner before the killing began.

On Sunday, police say Dorner shot and killed a couple in a parking garage at their condominium in Irvine. The woman was the daughter of a retired police captain who had represented Dorner in the disciplinary proceedings that led to his firing.

Dorner wrote in his manifesto that he believed the retired captain had represented the interests of the department over his.

Hours after authorities identified Dorner as a suspect in the double murder, police believe Dorner shot and grazed an LAPD officer in Corona and then used a rifle to ambush two Riverside police officers early Thursday, killing one and seriously wounding the other.

___

Contributing to this report were Associated Press writers Christopher Weber, Greg Risling, Haven Daley, Michael Blood, John Antczak, Mark Evans and Julie Watson.

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Earlier on HuffPost:

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  • In this image taken from video provided by KABC-TV, the cabin in Big Bear, Calif. where ex-Los Angeles police officer Christopher Dorner is believed to be barricaded inside is in flames Tuesday, Feb. 12, 2013. (AP Photo/KABC-TV) MANDATORY CREDIT: KABC-TV

  • In this image taken from video provided by KABC-TV, the cabin in Big Bear, Calif. where ex-Los Angeles police officer Christopher Dorner is believed to be barricaded inside is in flames Tuesday, Feb. 12, 2013. (AP Photo/KABC-TV) MANDATORY CREDIT: KABC-TV

  • Bill Whalen, Andrew Smith, Norma Eisenman

    Los Angeles Police Commander Andrew Smith, second from left, expresses condolences for the death of a San Bernardino County deputy, as he briefs the media about the shootout scene in Big Bear that allegedly involves triple-murder suspect Christopher Jordan Dorner, during a late news conference in front of the Police Administration Building in Los Angeles, Tuesday, Feb. 12, 2013. Lt. Bill Whalen, of the Irvine Police Department, far left, and LAPD Officer Norma Eisenman, right, stand with Smith. (AP Photo/Damian Dovarganes)

  • Andrew Smith, Bill Whalen, Norma Eisenman

    Los Angeles Police Commander Andrew Smith, left, expresses condolences for the death of a San Bernardino County deputy, as he briefs the media about the shootout scene in Big Bear that allegedly involves triple-murder suspect Christopher Jordan Dorner, during a late news conference in front of the Police Administration Building in Los Angeles, Tuesday, Feb. 12, 2013. Lt. Bill Whalen, of the Irvine Police Department, middle and LAPD officer Norma Eisenman, right, stand with Smith. (AP Photo/Damian Dovarganes)

  • Cindy Bachman, public information officer for the San Bernardino County Sheriff's Department, talks about the hunt for accused killer and fired Los Angeles police Officer Christopher Dorner in Angelus Oaks, Caif., Tuesday, Feb. 12, 2013. (AP Photo/Chris Carlson)

  • A Redlands Police officer walks near a road blockade near the entrance to the San Bernardino National Forest in southern California after Christopher Dorner, a fugitive ex-Los Angeles cop sought in three killings, engaged in a shootout with authorities that wounded two officers in the San Bernardino Mountains near Big Bear Lake, Tuesday, Feb. 12, 2013. (AP Photo/The Sun, Gabriel Luis Acosta) VENTURA COUNTY STAR OUT; RIVERSIDE PRESS-ENTERPRISE OUT; THE VICTOR VALLEY DAILY PRESS OUT

  • Manhunt For Former L.A. Cop Leads Back To Big Bear Lake

    YUCAIPA, CA - FEBRUARY 12: Redlands police officers secure at a blockade during a manhunt for the former Los Angeles Police Department officer Christopher Dorner who is suspected of triple murder on February 12, 2013 in Yucaipa, California. Dorner barricaded himself in a cabin near Big Bear, California and is in a standoff with authorities after shooting two police officers, killing one and wounding the other. Dorner, a former Los Angeles Police Department officer and Navy Reserve veteran, is wanted in connection with the deaths of an Irvine couple and a Riverside police officer. (Photo by Kevork Djansezian/Getty Images)

  • US-CRIME-POLICE-INCIDENT

    Shantel Cardiel (L) and Frank Cardiel hold up signs in support of fugitive triple murder suspect Christopher Dorner along the road in San Bernardino, California n February 12, 2013. Fugitive former US cop Christopher Dorner exchanged gunfire with police near a Californian ski resort where his burnt-out truck was found, reports said. The 33-year-old was involved in the shooting after he tried to burglarize a home near Big Bear, two hours east of Los Angeles, the Los Angeles Times reported, citing a law enforcement source.   AFP PHOTO / David McNew (Photo credit should read DAVID MCNEW/AFP/Getty Images)

  • US-CRIME-POLICE-INCIDENT

    Shantel Cardiel holds up a sign in support of fugitive triple murder suspect Christopher Dorner along the road in San Bernardino, California n February 12, 2013. Fugitive former US cop Christopher Dorner exchanged gunfire with police near a Californian ski resort where his burnt-out truck was found, reports said. The 33-year-old was involved in the shooting after he tried to burglarize a home near Big Bear, two hours east of Los Angeles, the Los Angeles Times reported, citing a law enforcement source.   AFP PHOTO / David McNew (Photo credit should read DAVID MCNEW/AFP/Getty Images)

  • Manhunt For Former L.A. Cop Leads Back To Big Bear Lake

    ANGELUS OAKS, CA - FEBRUARY 12: A San Bernardino Sheriff's Department deputy watches as a car is towed away after a standoff and a shootout with former Los Angeles Police Department officer Christopher Dorner who is suspected of triple murder on February 12, 2013 in Angelus Oaks, California. Dorner barricaded himself in a cabin near Big Bear, California which later caught fire. According to the LAPD the cabin remains too hot to enter and a body has not been located. (Photo by Kevork Djansezian/Getty Images)

  • Law Enforcement personnel gear up along Hwy 38 during the hunt for accused killer and fired Los Angeles police officer, Christopher Dorner in Yacaipa, Caif.,Tuesday, Feb. 12, 2013. Dorner, a man police believe to be the fugitive ex-Los Angeles officer wanted in three killings, was barricaded inside a burning cabin Tuesday after a shootout in a California mountain town that left one deputy dead and another wounded. (AP Photo/Chris Carlson)

  • Andrew Smith

    Los Angeles Police Commander Andrew Smith, left, briefs the media about the shootout scene in Big Bear that allegedly involves triple-murder suspect Christopher Jordan Dorner, during a news conference in front of the Police Administration Building in Los Angeles Tuesday, Feb. 12, 2013. (AP Photo/Damian Dovarganes)

  • A Redlands Police officer inspects a vehicle near the entrance to the San Bernardino National Forest, Calif. after fugitive ex-Los Angeles cop Christopher Dorner, sought in three killings, is believed to have engaged in a shootout with authorities that wounded two officers in the San Bernardino Mountains near Big Bear Lake, Tuesday, Feb. 12, 2013. (AP Photo/The Sun, Gabriel Luis Acosta) LA TIMES; VENTURA COUNTY STAR; RIVERSIDE PRESSENTERPRISE; THE VICTOR VALLEY DAILY PRESS OUT MANDATORY CREDIT

  • Law Enforcement personnel block Hwy 38 during the hunt for accused killer and ex-Los Angeles police officer Christopher Dorner in Yacaipa, Caif., Tuesday, Feb. 12, 2013. Dorner is believed to be barricaded in a cabin Tuesday after a furious gunbattle with police in the snow-covered mountains of Southern California, authorities said, the culmination of an intensive manhunt that left a region an edge for nearly a week. (AP Photo/Chris Carlson)

  • Law Enforcement personnel search a vehicle along Hwy 38 during the hunt for accused killer and ex-Los Angeles police officer Christopher Dorner in Yacaipa, Caif., Tuesday, Feb. 12, 2013. Dorner is believed to be barricaded in a cabin Tuesday after a furious gunbattle with police in the snow-covered mountains of Southern California, authorities said, the culmination of an intensive manhunt that left a region an edge for nearly a week. (AP Photo/Chris Carlson)

  • Bill Whalen, Andrew Smith

    Los Angeles Police Commander Andrew Smith, right, briefs the media about the shootout scene in Big Bear that allegedly involves triple-murder suspect Christopher Jordan Dorner, during a news conference in front of the Police Administration Building in Los Angeles Tuesday, Feb. 12, 2013. At left, Lt. Bill Whalen of the Irvine Police Department.

  • A Redlands Police officer walks near a road blockade near the entrance to the San Bernardino National Forest in southern California near Big Bear Lake, Tuesday, Feb. 12, 2013.

  • Redlands Police officers man a blockade near the entrance to the San Bernardino National Forest in southern California after Christopher Dorner engaged in a shootout with authorities that wounded two officers in the San Bernardino Mountains near Big Bear Lake, Tuesday, Feb. 12, 2013.

  • Members on the California Highway Patrol search a truck for Christopher Dorner on Friday, Feb. 8, 2013, in Big Bear Lake, Calif.

  • A San Bernardino County Sheriff SWAT team returns to the command post at Bear Mountain near Big Bear Lake, Calif. after searching for Christopher Jordan Dorner on Friday, Feb. 8, 2013. Search conditions have been hampered by a heavy winter storm in the area. Dorner, a former Los Angeles police officer, is accused of carrying out a killing spree because he felt he was unfairly fired from his job. (AP Photo/Pool, The Inland Valley Daily Bulletin, Will Lester)

  • A police vehicle patrols the streets of Big Bear Lake, Calif., Saturday, Feb. 9, 2013. Clear skies allowed aircraft with heat-sensing technology to aid scores of officers searching in the snow-covered San Bernardino Mountains for Christopher Dorner, the former Los Angeles police officer suspected of killing three people in a vengeance-fueled rampage aimed at those he blames for ending his career. (AP Photo/Jae C. Hong)

  • Bernabe Ortiz

    San Bernardino County Sheriff's officer Bernabe Ortiz holds a pistol as he searches a home for former Los Angeles police officer Christopher Dorner in Big Bear Lake, Calif, Sunday, Feb. 10, 2013. The hunt for the former Los Angeles police officer suspected in three killings entered a fourth day in snow-covered mountains Sunday, a day after the police chief ordered a review of the disciplinary case that led to the fugitive's firing and new details emerged of the evidence he left behind. (AP Photo/Jae C. Hong)

  • Bernabe Ortiz, Ken Owens

    San Bernardino County Sheriff's officers Ken Owens, center, and Bernabe Ortiz search a home for former Los Angeles police officer Christopher Dorner in Big Bear Lake, Calif, Sunday, Feb. 10, 2013. The hunt for the former Los Angeles police officer suspected in three killings entered a fourth day in snow-covered mountains Sunday, a day after the police chief ordered a review of the disciplinary case that led to the fugitive's firing and new details emerged of the evidence he left behind. (AP Photo/Jae C. Hong)

  • Bernabe Ortiz, Ken Owens

    San Bernardino County Sheriff's officer Ken Owens searches a home for the former Los Angeles police officer Christopher Dorner in Big Bear Lake, Calif, Sunday, Feb. 10, 2013. The hunt for the former Los Angeles police officer suspected in three killings entered its fourth day in the snow-covered mountains on Sunday, a day after the police chief ordered a review of the disciplinary case that led to the fugitive's firing and new details emerged of the evidence he left behind. (AP Photo/Jae C. Hong)

  • California Highway Patrol officers search a truck for former Los Angeles police officer Christopher Dorner at a checkpoint near Big Bear Lake, Calif, Friday, Feb. 8, 2013. Law enforcement officers working in falling snow searched the Southern California mountain for Dorner, who is accused of carrying out a killing spree because he felt he was unfairly fired from his job. (AP Photo/Jae C. Hong)

  • A San Bernardino County Sheriff SWAT team returns to the command post at Bear Mountain near Big Bear Lake, Calif.

  • A San Bernardino County Sheriff SWAT team returns to the command post at Bear Mountain near Big Bear Lake, Calif. after searching for Christopher Jordan Dorner on Friday, Feb. 8, 2013. Search conditions have been hampered by a heavy winter storm in the area.

  • U.S. Forest Service Law Enforcement vehicles are covered in snow near the command post in Big Bear Lake, Calif, Friday, Feb. 8, 2013.

  • U.S. Marshals deputies look behind the vegetation as they stand on guard outside the home of the mother of fugitive suspect Christopher Dorner on Friday, Feb. 8, 2013.

  • Christopher Dorner

    This image shows Christopher Dorner from Jan. 28, 2013 surveillance video at an Orange County, Calif., hotel.

  • A digital billboard along Santa Monica Boulevard on the west side of Los Angeles shows a "wanted" alert on Friday, Feb. 8, 2013.

  • California Highway Patrol officers search a vehicle for former Los Angeles police officer Christopher Dorner at a checkpoint near Big Bear Lake, Calif, Friday, Feb. 8, 2013.

  • A California Highway Patrol officer tells a driver to roll the window at a checkpoint near Big Bear Lake, Calif, Friday, Feb. 8, 2013.

  • San Bernardino County Sheriff's deputies gather at the command post in Big Bear Lake, Calif, Saturday, Feb. 9, 2013. Clear skies allowed aircraft with heat-sensing technology to aid scores of officers searching in the snow-covered San Bernardino Mountains for Christopher Dorner, the former Los Angeles police officer suspected of killing three people in a vengeance-fueled rampage aimed at those he blames for ending his career. (AP Photo/Jae C. Hong)

  • San Bernardino County Sheriff's deputies board a snow cat at the command post in Big Bear Lake, Calif., Saturday, Feb. 9, 2013.

  • A San Bernardino County Sheriff's helicopter flies over Big Bear Lake, Calif., Saturday, Feb. 9, 2013.

  • A U.S. Forest Service Law Enforcement officer follows tracks left in the snow while searching a home for former Christopher Dorner in Big Bear Lake, Calif, Saturday, Feb. 9, 2013. Clear skies allowed aircraft with heat-sensing technology to aid scores of officers searching in the snow-covered San Bernardino Mountains.

  • San Bernardino Sheriff's Department officer Steven Spagon mans a check point during the search in Big Bear Lake, Calif. Friday, Feb. 8, 2013. Law enforcement officials spent all night searching the snowy mountains of Southern California.

  • Los Angeles County Sheriff's deputies stand alert outside the Twin Towers jail, which was put on lockdown after an alleged sighting of suspect Christopher Jordan Dorner Friday Feb. 8, 2013 in Los Angeles. The lockdown was later lifted. Law enforcement officers worked through the night amid an incoming snow storm searching for the former Los Angeles police officer accused of carrying out a killing spree because he felt he was unfairly fired from his job.

  • Cindy Bachman

    Cindy Bachman, public information officer for the San Bernardino Sheriff's Department, updates the media on the search for fired Los Angeles police officer, Christopher Dorner.

  • Christopher Dorner

    This undated series of photos shows suspect Christopher Dorner. Dorner, who was fired from the LAPD in 2008 for making false statements, is linked to a weekend killing in which one of the victims was the daughter of a former police captain who had represented him during the disciplinary hearing.

  • Christopher Dorner

    This undated photo released by the Los Angeles Police Department shows suspect Christopher Dorner, a former Los Angeles officer. Dorner, who was fired from the LAPD in 2008 for making false statements, is linked to a weekend killing in which one of the victims was the daughter of a former police captain who had represented him during the disciplinary hearing. Authorities believe Dorner opened fire early Thursday on police in cities east of Los Angeles, killing an officer and wounding another. Police issued a statewide "officer safety warning" and police were sent to protect people named in the posting that was believed to be written by Dorner. (AP Photo/Los Angeles Police Department)

  • Christopher Dorner

    This undated photo shows suspect Christopher Dorner. (AP Photo/Los Angeles Police Department)

  • Christopher Dorner

    This undated photo shows suspect Christopher Dorner. Police issued a statewide "officer safety warning" and police were sent to protect people named in the posting that was believed to be written by Dorner.

  • Here, former Los Angeles police officer Christopher Jordan Dorner is shown. Dorner is a suspect in the killings of Monica Quan and her fiance, Keith Lawrence.

  • Charlie Beck, Sandy Jo MacArthur

    Los Angeles police Chief Charlie Beck, right, comments on fired officer, Christopher Dorner, Dorner's multiple weapons, including an assault rifle, during a news conference at the LAPD headquarters in Los Angeles Thursday, Feb. 7, 2013.

  • Sara Faden, Christopher Dorner, Norma Eisenman

    Los Angeles Police Public Information officers: Sara Faden, left, and Officer Norma Eisenman carry photos of suspect Christopher Dorner during a news conference at the LAPD headquarters in Los Angeles Thursday, Feb. 7, 2013. At left, Assistant Chief Sandy Jo MacArthur.

  • Corona, Calif., Police officers stand near the site of a police shooting Thursday Feb. 7, 2013 in Corona, Calif.

  • A burned-out pickup truck belonging to ex-Los Angeles police officer Christopher Dorner is towed after it was discovered in Big Bear, Calif, Thursday, Feb. 7, 2013.

  • A bullet-damaged Los Angeles Police vehicle is taped off by police on Thursday Feb. 7, 2013 in Corona, Calif.

  • A Los Angeles Police officer checks his weapon at the site of a shooting Thursday Feb. 7, 2013 in Corona, Calif.